UNIT 1 (topic 6) ATP

Question 1

what is the function of a mitochondria

Answer 1

site of aerobic respiration and ATP production

Question 2

what is the function of cristae

Answer 2

large surface area for reactions

Question 3

what is the function of matrix

Answer 3

contains enzymes

Question 4

function of 70s ribosomes

Answer 4

synthesises proteins

Question 5

function of the DNA fragments

Answer 5

codes for proteins/ enzymes

Question 6

function of a double membrane

Answer 6

regulates entry and exit of substances

Question 7

function of respiratory enzymes

Answer 7

speeds up reactions

Question 8

what does the structure of ATP contain

Answer 8

3 phosphate groups, a ribose sugar and an adenine

Question 9

what is the chemical reaction for ATP

Answer 9

ADP + Pi (+ energy) —> ATP + H20

Question 10

why is a role of ATP, metabolic processes

Answer 10

provides energy needed to build up macromolecules e.g. starch from glucose

Question 11

why is a role of ATP, movement

Answer 11

provides energy needed for muscle contractions

Question 12

why is a role of ATP, active transport

Answer 12

provides the energy needed to change the shape of the carrier proteins

Question 13

why is a role of ATP, secretion

Answer 13

needed to form vesicles for cellular transport

Question 14

why is a role of ATP, activation of molecules

Answer 14

provides

Question 15

what are the advantages of ATP compared to glucose

Answer 15

immediate energy source by releasing small manageable amounts

Question 16

what is the phrase for the synthesis of ATP in chlorophyll

Answer 16

photophosphorylation

Question 17

what is the phrase for the synthesis of ATP in mitochondria

Answer 17

oxidative phosphorylation